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<div class="title">ordered_stream_reduce.h</div>  </div>
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<a href="ordered__stream__reduce_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright 2018 Universidad Carlos III de Madrid</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#ifndef GRPPI_FF_DETAIL_ORDERED_STREAM_REDUCE_H</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#define GRPPI_FF_DETAIL_ORDERED_STREAM_REDUCE_H</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="reduce__nodes_8h.html">reduce_nodes.h</a>&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;ff/farm.hpp&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrppi.html">grppi</a> {</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">namespace </span>detail_ff {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Item, <span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> CombineOp&gt;</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1ordered__stream__reduce.html">   32</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrppi_1_1detail__ff_1_1ordered__stream__reduce.html">ordered_stream_reduce</a> : <span class="keyword">public</span> ff::ff_ofarm {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  <a class="code" href="classgrppi_1_1detail__ff_1_1ordered__stream__reduce.html#ae7a62e40926c1f5939d5baf452f9bc5e">ordered_stream_reduce</a>(Reducer &amp;&amp; red_obj, <span class="keywordtype">int</span> num_workers);</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;  std::vector&lt;ff_node*&gt; workers_;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;  <span class="keyword">using</span> <a class="code" href="classgrppi_1_1detail__ff_1_1reduce__emitter.html">emitter_type</a> = <a class="code" href="classgrppi_1_1detail__ff_1_1reduce__emitter.html">reduce_emitter&lt;Item,Reducer&gt;</a>;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  std::unique_ptr&lt;emitter_type&gt; p_emitter_;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;};</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Item, <span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> Combiner&gt;</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1ordered__stream__reduce.html#ae7a62e40926c1f5939d5baf452f9bc5e">   44</a></span>&#160;<a class="code" href="classgrppi_1_1detail__ff_1_1ordered__stream__reduce.html#ae7a62e40926c1f5939d5baf452f9bc5e">ordered_stream_reduce&lt;Item,Reducer,Combiner&gt;::ordered_stream_reduce</a>(</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    Reducer &amp;&amp; red_obj, </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keywordtype">int</span> num_workers) </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;:</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    ff::ff_ofarm{false, DEF_IN_BUFF_ENTRIES, DEF_OUT_BUFF_ENTRIES, true, num_workers},</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    workers_{},</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    p_emitter_{std::make_unique&lt;<a class="code" href="classgrppi_1_1detail__ff_1_1reduce__emitter.html">emitter_type</a>&gt;(red_obj.window_size(), red_obj.offset())} </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;{</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;num_workers; ++i) {</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="classgrppi_1_1detail__ff_1_1reduce__worker.html">reduce_worker&lt;Item,Combiner&gt;</a> * p_worker =</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keyword">new</span> <a class="code" href="classgrppi_1_1detail__ff_1_1reduce__worker.html">reduce_worker&lt;Item,Combiner&gt;</a>{red_obj.combiner()};</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    workers_.push_back(p_worker);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  }</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  add_workers(workers_);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  setEmitterF(p_emitter_.get());</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;}</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;} <span class="comment">// namespace detail_ff</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;} <span class="comment">// namespace grppi</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1ordered__stream__reduce_html"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1ordered__stream__reduce.html">grppi::detail_ff::ordered_stream_reduce</a></div><div class="ttdoc">Ordered stream reduce for FastFlow.</div><div class="ttdef"><b>Definition:</b> ordered_stream_reduce.h:32</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1ordered__stream__reduce_html_ae7a62e40926c1f5939d5baf452f9bc5e"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1ordered__stream__reduce.html#ae7a62e40926c1f5939d5baf452f9bc5e">grppi::detail_ff::ordered_stream_reduce::ordered_stream_reduce</a></div><div class="ttdeci">ordered_stream_reduce(Reducer &amp;&amp;red_obj, int num_workers)</div><div class="ttdef"><b>Definition:</b> ordered_stream_reduce.h:44</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1reduce__emitter_html"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1reduce__emitter.html">grppi::detail_ff::reduce_emitter</a></div><div class="ttdoc">Reduce emitter.</div><div class="ttdef"><b>Definition:</b> reduce_nodes.h:33</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1reduce__worker_html"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1reduce__worker.html">grppi::detail_ff::reduce_worker</a></div><div class="ttdoc">Reduce worker.</div><div class="ttdef"><b>Definition:</b> reduce_nodes.h:115</div></div>
<div class="ttc" id="anamespacegrppi_html"><div class="ttname"><a href="namespacegrppi.html">grppi</a></div><div class="ttdef"><b>Definition:</b> callable_traits.h:21</div></div>
<div class="ttc" id="areduce__nodes_8h_html"><div class="ttname"><a href="reduce__nodes_8h.html">reduce_nodes.h</a></div></div>
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